#1B5A2A#1B5A2A

#1B5A2A is a dark, moderate green. Relative luminance 0.077; OKLCH L 41.5% C 0.100 H 148.1°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A2A
RGB	rgb(27, 90, 42)
HSL	hsl(134, 54%, 23%)
HSV	hsv(134, 70%, 35%)
CMYK	cmyk(70%, 0%, 53.3%, 64.7%)
CIE-LAB	lab(33.38, -31.60, 21.90)
CIE-LCH	lch(33.38, 38.45, 145.27°)
OKLab	oklab(41.5% -0.0853 0.0531)
OKLCH	oklch(41.5% 0.1 148.1)
XYZ	xyz(4.5257, 7.7120, 3.4401)
Luminance	0.0771 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A2A #5A1B4B

analogous

#2B5A1B #1B5A2A #1B5A49

triadic

#1B5A2A #2A1B5A #5A2A1B

tetradic

#1B5A2A #1B2B5A #5A1B4B #5A491B

square

#1B5A2A #1B2B5A #5A1B4B #5A491B

split-complementary

#1B5A2A #491B5A #5A1B2B

monochromatic

#07180B #0D2B14 #1B5A2A #298940 #37B856

Accessibility & contrast

On white

8.26

#1B5A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1B5A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A2A

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A2A	#FFFFFF	#000000	##FFFFFF
##1B5A2A	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5226

Deuteranopia (green-blind)

#534C2D

Tritanopia (blue-blind)

#06584F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5a2a;
/* rgb */ color: rgb(27, 90, 42);
/* oklch */ color: oklch(41.5% 0.100 148.1);

Tailwind

colors: {
  custom: {
    50: '#608964',
    500: '#1b5a2a',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a2a;
$custom-light: #608964;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a2a",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 42
  },
  "hsl": {
    "h": 134.286,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.41499,
    "c": 0.10046,
    "h": 148.1
  },
  "luminance": 0.07713
}

Semantic roles & 50–950 ramp

primary

#1B5A2A

secondary

#90417D

accent

#4BBADD

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050B05

muted

#797C7A

Preview Lab

Preview with #1B5A2A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →